Pallas LP 2521 2.5" x 21" Reverse Osmosis Membrane Element
Technical Resources
Technical Resources
Pallas LP 2521 2.5" x 21" Reverse Osmosis Membrane Element
Pallas LP 2521 2.5" x 21" Reverse Osmosis Membrane Element | 2521 Membrane
High Performance 2521 Membrane for Commercial Reverse Osmosis Systems
The Pallas LP 2521 2521 membrane is a premium low-pressure reverse osmosis membrane element designed to deliver outstanding water purification with excellent salt rejection and reliable permeate flow.
Manufactured for commercial and light industrial water treatment applications, this 2.5" x 21" reverse osmosis membrane combines high efficiency with low operating pressure, helping to reduce energy costs while maintaining consistent water quality.
Whether replacing an existing membrane or building a new RO system, the Pallas LP 2521 membrane provides dependable performance for demanding water purification applications.
Key Features
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High-performance 2521 membrane element
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Standard 2.5" x 21" membrane size
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Produces up to 300 GPD (1.13 m³/day)
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99.3% stable salt rejection
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Operates at low pressure for improved energy efficiency
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Suitable for commercial reverse osmosis systems
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Excellent water quality and long service life
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Compatible with many standard 2521 membrane housings
Ideal Applications
The Pallas LP 2521 membrane is suitable for:
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Commercial reverse osmosis systems
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Drinking water production
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Food and beverage processing
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Laboratory water treatment
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Car wash water purification
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Hospitality and catering
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Light industrial process water
Benefits of the Pallas LP 2521 Membrane
Choosing the Pallas LP 2521 membrane provides:
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High-quality purified water
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Reduced operating costs through low-pressure operation
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Excellent contaminant and dissolved salt removal
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Reliable long-term performance
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Easy replacement for standard 2521 membrane elements
Technical Specifications
| Specification | Value |
|---|---|
| Model | Pallas LP 2521 |
| Membrane Size | 2.5" x 21" |
| Daily Permeate Flow | 300 GPD (1.13 m³/day) |
| Stable Salt Rejection | 99.3% |
| Minimum Salt Rejection | 99% |
| Active Membrane Area | 1.1 m² (12 ft²) |
| Feed Spacer | 28 mil |
| Test Feed Water | 1500 ppm NaCl |
| Test Pressure | 150 psi |
| Test Temperature | 25°C |
| Test pH | 7–8 |
| Maximum Operating Pressure | 600 psi |
| Maximum Operating Temperature | 45°C |
| Feed Water Flow | 1.4 m³/hour |
| Maximum Pressure Drop | 15 psi |
| Feed Water SDI | Maximum 5 |
| Operating pH Range | 2–11 |
| Cleaning pH Range | 1–13 |
| Chlorine Tolerance | Less than 0.1 ppm |
Operating Notes
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Performance testing should be carried out after 24–48 hours of continuous operation.
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Individual membrane flow rates may vary by ±15%.
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Feed water should have an SDI of 5 or less for optimum membrane life.
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Free chlorine and other oxidising agents should be removed before the membrane, as oxidation damage is not covered under warranty.
Why Choose the Pallas LP 2521?
The Pallas LP 2521 2521 membrane offers an excellent balance of high water production, exceptional salt rejection and low-pressure operation. Designed for reliable performance in commercial RO systems, it is an ideal replacement membrane for businesses requiring consistent, high-quality purified water.
Order your Pallas LP 2521 2.5" x 21" reverse osmosis membrane today for dependable filtration performance and outstanding value.
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